Joel_x

I would be beside my self to not have to sort brass for practice and local shooting lol My ammo for locals is between 1.175 and 1.165. Practice some run up to 1.185 and I pull apart anything below 1.165. Feel and accuracy is insignificantly changed in my experience. Chrono extreme spread is a little more but still makes PF. I have dies set up per Redding instructions. Sizer just touches shell plat. BSD just touches plate. Crimp is about 1/8 off plate so I can read micrometer. Flare is just enough to get bullet to not catch on case and crimp is very light to just get flair out. shell plate is as tight as I can make it and still have the plate index without resistance. And other xl750 recommendation or things to check I’ll give it a shot. I started to look further into seating stem last night as zzt suggested but didn’t get too far into it. press is a 2022 and has about 15,000 round through it

I have all reading dies. Nxgen competition carbide with micro adjust BSD and a Redding micro adjust crimp die. SSI alpha powder funnel. I only have the one stem for BSD. It’s tapered to “align” the bullet before seating. I have tried with and without the spring in the BSD.

seating and crimping are 2 different dies…. Seating stem contours well over the precision deltas. I even polished it last year to make sure it wasn’t sticking on bullet or something.

Ok guess I’m getting sucked in lol I have been through this conversation multiple time with multiple people. If you can enlighten me on the resolution I will gladly fix it. I hate sorting brass but I get good results when I do. NEVER have I seen a .001 deviation. I load precision delta JHP that measure and weight almost exactly consistent. Load Major and minor. Xl750 , Redding competition nexgen dies. Micro adjust seating and crimp die. Have the needle bearing upgrade on shell plate. Placing bullets by hand. Shell plate adjusted so there is little as possible wiggle but still rotate. Sizing and seating die adjusted to just kiss shell plate when ram is up. Ram head is tight with zero play. Tool head is a bolt down type from arminova. All brass is decapped and sized before cleaning. When loading the brass goes through a sizing die again just to keep the shell plate balanced. I would love to see a video of someone making sub .001” dev ammo and measure them as they come off the press for 50 round with mixed brass as some state. im only looking to achieve +- .005 (total dev of .010) as that’s what I have learned/was told is a achievable and expectable variation on mixed brass.

Thanks Sarge!

Thanks everyone for the input. I am looking for manufacturers of brass (by head stamp) that load similarly….. i don’t want this to get highjacked into a debate of how “ I load mix head stamp range trash and my COAL is only .002 deviation “ lol I have been down that road and as stated I am not looking to make precision rifle rounds. If your setup runs that tight that’s awesome but I have not had such luck with 15,000 round on my xl750. as stated above I sort brass into a few groups. Document the BSD setting (micro adjust die) and smash out reliable rounds. I was trying to not spend a weekend finding the average setting for the BSD for every head stamp brass there is if someone had some insight or possibly does the same.

Thanks for all the reply’s guys! I wasn’t sure how to state the question…. I didn’t know if anyone had a list of head stamp brass they sore together because they load to the same length. I’m more chasing consistent COAL across different manufacturers. currently I sort into 4 groups. Group 1 fc/blazer/speer group 2 xtreme group 3 CBC group 4 everything else. Last year this worked great. The group 4 “everything else” has had some extreme deviation and needs to be broken down further. I was hoping someone had a list that grouped them similar to what I was doing but more detailed. im not chasing 100% perfection but I don’t like loading to 1.170 and heading up with 1.185 due to mixed head stamps. my old sorting method I would stay between 1.172 and 1.168

Does anyone have a list of brass head stamps that load similar? For example load federal (F.C) and Blazzer together…. thanks for the help!!!

Great info , thanks! I did read about that test and was going to try it next range trip hopefully this weekend. I currently am working up load dev in the backyard. would a piece of white paper taped / stapled to a cardboard target provide the same results over just white cardboard?

What is your load and gun specs for 9 major? I am going to try and work up a load of the 3N38 after work if I have time

I am loving all the input guys! gun runs 100% and dot return is excellent. i picked up a jug of AA7 and 3N38 on my way home. Laddered up to 9.5gn of AA7. The 9.5 avg pf 164. Comp was driving better than CFE and silhouette. primers are just starting to flatten. Going to try 9.8 and see if I can make something closer to 170pf. Hopefully have enough time to find a load that makes PF with 3N38 tomorrow after work and make a 100 of each and hammer on the gun a little this weekend and see how they do.

Thanks for the suggestion Rnlinebacker! I was going to look for AA7 or 3N38 but I figured I’d get some hive knowledge before buying more powder. I ran the CFE cuz I had it. The silhouette because a fellow shooter has the same custom build and runs 7.7gn at same specs. Now his gun has a heavier recoil spring and xxxx round through it. His dot almost doesn’t lift. The guns amazing!!!!! any thoughts on the seeming excessive amount of gas out of the muzzle? Or why CFE didn’t performer like a “slower powder?”

I need some help getting my comp running better. GUN AMMO SPEC 9 major 5” barrel with 2 holes , sv 2 port comp. bullet PD 124 JHP at 1.165 Oal (1.160-1.170 actual +-) mixed brass (not new) LOADS MAKING PF AND DRIVING COMP ( worked up with a ladder) 7.8gn silhouette 170pf 1378fps avg 7.2gn CFE Pistol 175pf 1416fps avg I was under the impression CFE was slower than silhouette and would require more charge , more charge =more gas = better comp function? As seen above that did not work out. Help please! note: I have a video of the silhouette and you can see the gas out the top of comp but there looks to be a lot out the muzzle as well. No CFE video yet my gun is new. I was going to make and put a few hundred of each charge through gun and see what happen once it’s broken in some. I’d rather not wast the bullets or primers if wisdom can give some direction… both charges flatten the primers and I fell like I’m at the upper end of pressure so I didn’t load any hotter… Brass ejection is about 4” if that helps

Thank you! I’m about 40 mins east of pittsburgh but have in-laws up in Erie. Maybe we’ll have to visit when there just so happens to me a match up that way lol…

I just started shouting USPSA carry optics last year and hopefully will be able to make a decent run this year. Running a gen5 g34 MOS. Excited to learn more and progress! thanks Joel